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Finding the Fourth Proportional to 649,312.40, 973,968.60 and 602,073.20

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Solution

The fourth proportional to 649,312.40, 973,968.60 and 602,073.20 is: 903,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,312.40 : 973,968.60 = 602,073.20 : x
  2. Step 2: Convert to fraction form
    649,312.40/973,968.60 = 602,073.20/x
  3. Step 3: Cross multiply
    649,312.40x = 973,968.60 × 602,073.20
  4. Step 4: Simplify right side
    649,312.40x = 586,400,391,701.52
  5. Step 5: Solve for x
    x = 586,400,391,701.52/649,312.40
  6. Step 6: Final answer
    x = 903,109.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.